Note 1 - General and Basis of Presentation (Details) - Effect of Revision on Line Items in Condensed Consolidated Statements of Cash Flow (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2012
Cash flows from operating activities:
Net income (loss)	$ 21,789	$ (4,949)	$ (212,607)
Deferred income tax provision	5,896	3,720	(4,736)
Net cash provided by operating activities	68,076	18,216	89,471
Scenario, Previously Reported [Member]
Cash flows from operating activities:
Net income (loss)		(1,897)	(206,016)
Deferred income tax provision		668	(11,327)
Net cash provided by operating activities		18,216	89,471
Restatement Adjustment [Member]
Cash flows from operating activities:
Net income (loss)		(3,052)	(6,591)
Deferred income tax provision		$ 3,052	$ 6,591